diff --git a/lab5.c b/lab5.c
index 41c01e8..ca16b58 100644
--- a/lab5.c
+++ b/lab5.c
@@ -2,7 +2,6 @@
 #include <stdbool.h>
 #include "tm4c123gh6pm.h"
 
-void GPIOIntHandler(void);
 int main(void)
 {
     SYSCTL_RCGC2_R |= 0x00000020;       /* enable clock to GPIOF */
@@ -11,29 +10,30 @@ int main(void)
     GPIO_PORTF_DEN_R = 0x1F;            /* set PORTF pins 5 pins*/
     GPIO_PORTF_DIR_R = 0x0E;            /* set PORTF0 PORTF4 pin as input user switch pin */
     GPIO_PORTF_PUR_R = 0x11;            /* PORTF4 PORT0 is pulled up */
-    GPIO_PORTF_IM_R = 0x11;            /*Masking the ports*/
+    NVIC_EN0_R |= (1<<30);              //Starting NVIC as all the interrupt goes through it
+    GPIO_PORTF_IM_R = 0x00;            /*Masking the ports*/
     GPIO_PORTF_IS_R = 0x00;
+    GPIO_PORTF_IBE_R = 0x00;
     GPIO_PORTF_IEV_R = 0x00;            /*detects the falling edge of the switch*/
-    GPIO_PORTF_IBE_R = 0x00
-}
+    GPIO_PORTF_ICR_R = 0x11;
+    GPIO_PORTF_IM_R = 0x11;
+
+
 
 while(1)
     {
-    GPIO_PORTF_DATA_R = 0x04;
+    //GPIO_PORTF_DATA_R = 0x02;
     }
+}
 
 void GPIOIntHandler(void)
     {
-    switch(z)
-        {
-        case 0: GPIO_PORTF_DATA_R = 0x02;
-        break;
-
-        case 1: GPIO_PORTF_DATA_R = 0x00;
-        break;
-
-        default : GPIO_PORTF_DATA_R = 0xFF;
-        }
-
-
+    int i=0;
+    for(i=0;i<1000;i++);
+    if((GPIO_PORTF_DATA_R & 0x11)== 0x11){}
+    else
+    {
+            GPIO_PORTF_DATA_R ^= 0x02;
+    }
+    GPIO_PORTF_ICR_R = 0x11;
     }